Principal Mechanical Design Engineer

Sigma Recruitment Oxford, England Posted Feb 10, 2026

Permanent
GBP 55,000 – GBP 65,000 per year
Hybrid
Senior

Job description

Salary

£55000 - £65000 per annum + upto 20% pension, hybrid & flexi

Location

Oxford

Job Reference

BBBH4666

Job Type

Permanent

Posted Date

10/02/2026

Job Details

Principal Mechanical Design Engineers - Why You Should Apply?

Purpose-Driven Engineering: Join a company limited by guarantee where profits are reinvested directly into research and your work supports global sustainability engineering projects.

Global Impact: Work on innovative technology exported worldwide, including current projects in Norway, Korea, Malaysia, Australia, and China.

High Autonomy: Join a culture that values trust and flexibility, with consistently high scores for autonomy in employee engagement surveys.

Market-Leading Pension: Generous employer contribution of up to 15%, when you contribute 5%. Resulting in between £11,000 to £13,000 per annum being invested for your retirement.

Your Remuneration Package:

  • Salary: £55,000 - £65,000 per annum.
  • Pension: An employer contribution of up to 15%.
  • Work Pattern: 37 hour week with flexible & hybrid working.
  • Holidays: 25 days plus the bank holidays - plus Christmas shutdown.
  • Health care, health insurance, cycle to work scheme

    • What You'll Be Doing:

    As a Principal Mechanical Design Engineer, you will act as the technical lead for specific product areas. You will lead the engineering delivery for high-value international projects, balancing hands-on design with high-level technical direction.

  • Lead Major Projects: Take technical ownership of complex mechanical systems from concept to commissioning, ensuring they survive in harsh environments.
  • Drive Design Quality: You will be "hands-on" with our design software, preferably "Creo", setting the standard for the team. You will champion "optioneering", exploring multiple engineering solutions before settling on the preferred one.
  • Mentor the Next Generation: We have a talented team of graduates and engineers who you will mentor and guide. You will review their calculations, check their drawings, and help them develop into world-class engineers.
  • Solve the Unsolved: You will face unique challenges daily; whether it's designing for -20°C ice tanks or integrating servo motors into submerged structures.

    • What You'll Need to Apply:

    You will be a highly experienced Principal or Senior Mechanical Design Engineer, who still enjoys hands on design engineering.

  • Extensive experience in the design of large mechanical equipment, for example large moving structures, subsea systems or electrically actuated systems;
  • Advanced 3D-CAD skills;
  • Experience leading projects and mentoring junior staff.

    • Next Steps:

    If you value engineering integrity over cost-cutting, apply now. We will review your CV and be in touch to discuss this Principal Mechanical Design Engineer role.

    If you click 'Apply', we may contact you via email, phone & text message regarding this job, other jobs (current and future), and related recruitment services. You can OPT OUT at any time, full details in

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